Finding the Fourth Proportional to 1,459,393,161.36, 2,192,582,048.54 and 935,788,123.60
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Solution
The fourth proportional to 1,459,393,161.36, 2,192,582,048.54 and 935,788,123.60 is: 1,405,921,512.70
Step by Step Solution
- Step 1: Write the proportion equation
1,459,393,161.36 : 2,192,582,048.54 = 935,788,123.60 : x - Step 2: Convert to fraction form
1,459,393,161.36/2,192,582,048.54 = 935,788,123.60/x - Step 3: Cross multiply
1,459,393,161.36x = 2,192,582,048.54 × 935,788,123.60 - Step 4: Simplify right side
1,459,393,161.36x = 2,051,792,241,042,290,688 - Step 5: Solve for x
x = 2,051,792,241,042,290,688/1,459,393,161.36 - Step 6: Final answer
x = 1,405,921,512.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.